import pandas as pd
import numpy as np
from sklearn.linear_model import Lasso

train_data = pd.read_csv('data.csv', header=None)

X = train_data.iloc[:, :-1]
y = train_data.iloc[:, -1:]

lasso_reg = Lasso()

lasso_reg.fit(X, y)

reg_coef = lasso_reg.coef_
print(reg_coef)